00460nam a2200169Ia 4500082001700000100001800017245004200035260004200077300001600119500000500135690000600140700000500146952009800151964001700249921000900266999001500275  a501bG755.TO  aGrandy, R. E.  aTheories and observation in scienceb  aEnglewood CliffsbPrentice-Hallc1973  aviii, 183p.  a  a   a  00104070aISIbISId1998-09-02l0o501 G755.TOpDP7684r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a7803  c7803d7803